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发明公开
CN103938942A 一种风门闭锁装置 无效 - 驳回

一种风门闭锁装置
摘要：
本发明涉及一种风门闭锁装置，包括第一钢丝绳、第二钢丝绳、第一风门、第二风门，所述闭锁装置还包括第一定滑轮、第二定滑轮，上端口封闭的第一外套管和第二外套管，第一内套管、第二内套管，控制弧片，钢板，本发明的风门闭锁装置在使用时，其中一扇风门没有关闭的情况下，另一扇风门始终保持闭锁状态，有效保证了通风系统的稳定。
摘要（英）：

The invention relates to an air door locking device. The air door locking device comprises a first steel wire rope, a second steel wire rope, a first air door and a second air door. The air door locking device further comprises a first fixed pulley, a second fixed pulley, a first outer sleeve with an upper port closed, a second outer sleeve with an upper port closed, a first inner sleeve, a second inner sleeve, a control arc plate and a steel plate. When the air door locking device is used and one air door is not closed, the other air door can always keep a locked state, and consequently the stability of a ventilation system is effectively ensured.

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